isomers

Cultural  

1. In chemistry, molecules that contain exactly the same numbers of the same kinds of atoms, but in which the atoms have different structural arrangements.

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Example Sentences

The new workflow can also identify isomers, which are molecules with the same chemical formula but different atomic arrangements.

From Science Daily • Apr. 8, 2024

"The different chemical forms are known as isomers, and this is the first time that reactions between them have been used to develop piezoresistors," Dr Fallon said.

From Science Daily • Oct. 3, 2023

Another important type of isomers are optical isomers, or enantiomers, in which two objects are exact mirror images of each other but cannot be lined up so that all parts match.

From Textbooks • Feb. 14, 2019

Constitutional isomers have the same molecular formula but different spatial arrangements of the atoms in their molecules.

From Textbooks • Feb. 14, 2019

These hydrocarbons contain only a slight proportion of thiophene and its isomers, which can be removed only by a treatment with fuming sulphuric acid, but this is only exceptionally done.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" by Various